Feature/use alias for imports (#352)

* Use alias "@" for imports

* Use alias "@" for imports - Fix imports

* Use alias "@" for imports - Prevent faulty "import/extensions" linting issue

For some reason the rule throws an error for alias imports

* Use alias "@" for imports - Update "no-relative-imports" eslint rule

src/components/library/useSubscription.ts

@@ -7,7 +7,7 @@
  */
 
 import { useEffect, useState } from 'react';
-import requestManager from 'lib/RequestManager';
+import requestManager from '@/lib/RequestManager';
 
 const useSubscription = <T>(path: string, callback?: (newValue: T) => boolean | void) => {
     const [state, setState] = useState<T | undefined>();